Q. Current density is -
1) dimensionless
2) a vector quantity
3) a scalar quantity
4) None of the above
Q. An AC current can be produced by -
1) transformer
2) dynamo
3) choke coil
4) None of the above
Q. The theory that states "pieces of the Earth's crust are in constant, slow motion driven by movement in the mantle" is called -
1) The theory of Pangaea
2) The theory of plate tectonics
3) The theory of plate boundaries
4) The theory of continental drift
Q. The process that continually adds new crust is -
1) earthquake
2) seafloor spreading
3) convection
4) subduction
Q. How do vector vaccines work to provide immunity?
1) By directly attacking and destroying pathogens in the body
2) By placing the virus in a modified version of a different virus
3) By entering directly into the cells and enabling them to create spike proteins
4) By introducing a weakened or inactivated virus into the body
Q. Two objects of different masses falling freely near the surface of the Moon would -
1) undergo a change in their inertia
2) have same velocity at any instant
3) experience forces of same magnitude
4) have different accelerations
Q. The DNA double helix structure was discovered by -
1) Rosalind Franklin and Maurice Wilkins
2) Linus Pauling
3) Gregor Mendel
4) James Watson and Francis Crick
Q. Input and output nerves meet at -
1) heart
2) central nervous system
3) liver
4) None of the above
Q. Which of the following liquids is a bad conductor of electricity?
1) Lemon juice
2) Orange juice
3) Salted water
4) None of the above
Q. A photoelectric cell is a device which -
1) stores light energy
2) converts electric energy into light energy
3) converts light energy into electric energy
4) None of the above
Career Scope in Fashion Design is a dynamic and creative field that offers innovative career openings for those with a passion for style, creativity, and invention. This composition will explore the colorful job prospects in the fashion design assiduity, the original hires one can anticipate, and pu →
Foundation Date: December 8, 1991 Headquarters: The Republic of Belarus Executive Secretaries: Sergei Lebedev Member Countries: 12 Commonwealth of Independent States (CIS) was established on December 8, 1991, and the leaders of the Republic of Belarus, the Russian Federation, and Ukraine signed an a →
In 2009, an unknown programmer by the name of Satoshi Nakamoto put forward a whitepaper that proposed a creation of new form of digital currency - cryptocurrency. Cryptocurrency functions the same way as regular currencies do in that its used as a means of exchange, unit of account and a store of va →
Headquarter: New Delhi Function and Objective of the Organization: The Food Safety and Standards Authority of India (FSSAI)has been established under Food Safety and Standards Act, 2006 which consolidates various acts & orders that have hitherto handled food-related issues in various Ministries →
If you contribute your content to our site. Please mail us your content to editor@onlinegk.net